Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
-сан
←
Daur
-seng
(cognate)
←
Proto-Mongolic
*-gsan
(inherited)
→
Mongolian
-саар
(mention)